World Resorts Slovenia Postojna Weather

Postojna weather in June

Weather in Postojna: June

Average day temperature: 74.4°F
Average night temperature: 56.4°F
Number of sunny days: 16 days
Day length: 15.5 - 15.7 hours
Number of rainy days: 7 days
Precipitation totals: 3.6 in.

Air temperature in June, °F

Show year:
2026
2025
2024

The highest day temperature during June of 2026 was 90°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during June were 75.1°F and 58.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in June are sunny but cloudy days are also possible.

Precipitation total in June, in.

Precipitation total value in Postojna in June is 3.1 in. Other months of the year show relatively similar values.

Wind speed in June, mph

The average wind speed value in June is 5.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in June is: 10.3.

Best time for vacation in Postojna

Sunniest months:
August 19 days
July 18 days
June 16 days
Warmest months:
July 78.2 °F
August 77.6 °F
June 74.4 °F
Coldest months:
January 37.3 °F
December 39.7 °F
February 40.1 °F
Rainiest months:
May 9 days
June 7 days
July 7 days
Windiest months:
March 6.1 mph
February 6.0 mph
April 6.0 mph

Postojna on a weather map

Postojna
+54°F
N 9 mph
Feels like: +50°F
Precip.: 84%
Places in Slovenia:
Name
°F
+48°F
+50°F
+61°F
+61°F
+48°F
+54°F
+52°F
+61°F
+61°F
+61°F
+48°F
24 Hours Forecast
Postojna
Local time: 14:14
November 12, thursday
1500
54°F
N
9 mph
1800
54°F
N
7 mph
2100
54°F
N
7 mph
November 13, friday
0000
55°F
NE
12 mph
0300
52°F
NE
6 mph
0600
48°F
SW
4 mph
0900
46°F
SW
9 mph
1200
43°F
SW
14 mph
Units of measurement: °C / °F